JPS6428027U - - Google Patents
Info
- Publication number
- JPS6428027U JPS6428027U JP12186487U JP12186487U JPS6428027U JP S6428027 U JPS6428027 U JP S6428027U JP 12186487 U JP12186487 U JP 12186487U JP 12186487 U JP12186487 U JP 12186487U JP S6428027 U JPS6428027 U JP S6428027U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- circuit
- power supply
- base
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の電源開閉回路図、第２図は従
来の電源開閉回路図、第３図は従来の電源回路に
用いられた制御電圧波形図である。
主な図番の説明、１…電源回路、４…第１トラ
ンジスタ、５…負荷回路、６…第２トランジスタ
、７…第３トランジスタ、１０…第４トランジス
タ。
FIG. 1 is a power switching circuit diagram of the present invention, FIG. 2 is a conventional power switching circuit diagram, and FIG. 3 is a control voltage waveform diagram used in the conventional power supply circuit. Explanation of main figure numbers: 1...power supply circuit, 4...first transistor, 5...load circuit, 6...second transistor, 7...third transistor, 10...fourth transistor.
Claims (1)
からの正電圧を負荷回路に供給する第１トランジ
スタと、前記電源回路からの負電圧を負荷回路に
供給する第２トランジスタと、前記第１及び第２
トランジスタのベースに抵抗を介しコレクタ・エ
ミツタが接続された第３トランジスタと、該第３
トランジスタのベースバイアス回路にコレクタ・
エミツタが接続されベースに制御電圧が印加され
る第４トランジスタとよりなり、制御電圧を印加
し前記第４トランジスタをオンすることにより第
３トランジスタをオンし、第１トランジスタ及び
第２トランジスタのエミツタ・ベースに前記第３
トランジスタあるいは第４トランジスタのコレク
タ・エミツタを介し同時に順方向バイアス電圧を
供給し、これら第１トランジスタ及び第２トラン
ジスタをオンさせ負荷回路に電源回路の正負両電
圧を同時に供給することを特徴とする電源開閉回
路。 a power supply circuit that generates two positive and negative voltages; a first transistor that supplies the positive voltage from the power supply circuit to the load circuit; a second transistor that supplies the negative voltage from the power supply circuit to the load circuit; Second
a third transistor whose collector and emitter are connected to the base of the transistor through a resistor;
Collector and base bias circuit of transistor
It consists of a fourth transistor to which the emitter is connected and a control voltage is applied to the base.By applying the control voltage and turning on the fourth transistor, the third transistor is turned on. said third on the base
A power supply characterized by simultaneously supplying a forward bias voltage through the collector and emitter of the transistor or the fourth transistor, turning on the first transistor and the second transistor to simultaneously supply both positive and negative voltages of the power supply circuit to the load circuit. Opening/closing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12186487U JPS6428027U (en) | 1987-08-08 | 1987-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12186487U JPS6428027U (en) | 1987-08-08 | 1987-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428027U true JPS6428027U (en) | 1989-02-17 |
Family
ID=31369263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12186487U Pending JPS6428027U (en) | 1987-08-08 | 1987-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428027U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6217240B2 (en) * | 1976-03-01 | 1987-04-16 | Ncr Co |
-
1987
- 1987-08-08 JP JP12186487U patent/JPS6428027U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6217240B2 (en) * | 1976-03-01 | 1987-04-16 | Ncr Co |